Fibrous Dysplasia

Question 1

Is FD benign or aggressive ?

Answer 1

Benign.

Question 2

What is the common age range for FD ?

Answer 2

3- 15 year olds.

Question 3

Why is FD lesion prone to fracturing ?

Answer 3

Due to bone remodelling the bone is weaker.

Question 4

What are the 2 most common Xray appearances in FD?

Answer 4

1) endosteal scalloping
2)Ground glass appearance in the matrix.

Question 5

What happens in Fibrous dysplasia ?

Answer 5

The medullary bone gets replaced with fibrous tissue.

Question 6

When fibrous dysplasia is found in the long bones, what can this cause ?

Answer 6

Bowing known as shepherds crook appearance.

Question 7

What are the common locations for Fibrous Dysplasia ?

Answer 7

Pelvis, femur, ribs, skull, jaw.